Re: Sorting Challenge

Поиск
Список
Период
Сортировка
От Bruno Wolff III
Тема Re: Sorting Challenge
Дата
Msg-id 20050831033342.GB3597@wolff.to
обсуждение исходный текст
Ответ на Sorting Challenge  (<operationsengineer1@yahoo.com>)
Ответы Re: Sorting Challenge  (<operationsengineer1@yahoo.com>)
Список pgsql-novice
On Tue, Aug 30, 2005 at 15:58:40 -0700,
  operationsengineer1@yahoo.com wrote:
>
> i have a lot more data like this, but i want to keep
> it simple.  the first two alphas represent an area and
> the foloowing digit(s) represent a unique id.
>
> the data is currently held in a text field.

It generally isn't a good idea to store multiple fields in one column.
You should probably split this into two columns unless there is a significant
performance problem with doing so.

If there is than you might try creating an operator class that properly
compares these strings. Then you can use that operator class to do sorts
or create btree indexes.

В списке pgsql-novice по дате отправления:

Предыдущее
От: Bruno Wolff III
Дата:
Сообщение: Re: pgsql installation problem!
Следующее
От:
Дата:
Сообщение: Re: Sorting Challenge